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Adjusting the burner
Boiler size
For natural gas
■
For EL fuel oil
■
e
Fig. 17
Illustration applies to M148
a
Flame tube length
c
Max. flame head diameter
d1 Smooth pipe, min. internal diameter
e
Flame head length
e
Fig. 18
Illustration applies to M64B and M84B
e
Fig. 19
Illustration applies to M62C and M82A
a
Flame tube length
b
Reversing chamber depth
c
Max. flame head diameter
d1 Smooth pipe, min. internal diameter
d1 Corrugated pipe, internal diameter
Note
The type of flame tube depends on the pressure stage
employed. Product-specific tolerances are possible.
Burner operating and service instructions
22
(cont.)
mbar
mbar
a
a
b
a
g
3
4
11.9
14.2
13.3
10.4
12.5
11.7
b
d2 Corrugated pipe, average internal diameter
e
Flame head length
f
Cone, internal diameter
g
Length of cone
Note
At the burner, adjust the fuel throughput (gas or oil) to
the required combustion heating output for 100
boiler load.
5
6
7
13.9
15.7
10.4
10.8
8
9
17.4
18.0
10.4
9.0
%
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